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Engineers Design 'Brain' of Smart Sewage-Control Network

Clipped to the Drawing Board by Dillon Smatcher

WEST LAFAYETTE, Ind.- Engineers from Purdue and Notre Dame universities are working with Indiana startup EmNet LLC on a wireless sensor network for the city of South Bend to prevent raw sewage from overflowing into waterways, especially from surging runoff during storms.

       The system will use a citywide network of 105 manhole-mounted sensors and "smart valves" to automatically hold back the flow of rainwater and sewage in existing sewer system pipes and retention basins until the storm has passed.

       "To our knowledge, this monitoring system will be the first of its kind in the world because it will be the largest wireless sensor network in a permanent, industrial setting," said Luis Montestruque, CEO of EmNet, founded in 2004 and located in Granger, Ind.

       The system, called CSOnet, consists of numerous computer chips that communicate with each other over a wireless radio network. These microcomputers are embedded in the city sewer system and are connected to flow sensors, pressure sensors and valves in a network that works in a cooperative manner to control storm runoff, Montestruque said.

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Friday 6 June, 2008 06:59 AM

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